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    Handling device and producing system of easy-to-polymerize compound
    1.
    发明授权
    Handling device and producing system of easy-to-polymerize compound 有权
    用于处理容易聚合的化合物的装置和易于聚合的化合物的制造装置

    公开(公告)号：US07892403B2

    公开(公告)日：2011-02-22

    申请号：US11578237

    申请日：2004-09-07

    Applicant: Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno

    Inventor： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kimikatsu Jinno

    IPC: B01D5/00 ,  C07C51/44 ,  C07C67/54 ,  C07C69/54

    CPC classification number: B01D5/003 ,  B01D5/0078 ,  C07C51/50 ,  Y10S203/22 ,  C07C57/04

    Abstract: A condenser includes: a top face of a tube plate on which acrylic acid may be condensed inside the condenser; a spray for spreading a polymerization inhibitor on the tube plate; a first polymerization inhibitor supply tube for supplying the polymerization inhibitor to the spray; and a supporter for supporting the spray at a predetermined position. The supporter supports the first polymerization inhibitor supply tube outside the condenser. The condenser allows a stable continuous operation for a long period of time by preventing polymerization of an easily polymerizable compound in the condenser into which a vapor of an easily polymerizable compound is supplied with a simple structure thereof.

    Abstract translation: 冷凝器包括：管板的顶面，丙烯酸可以在冷凝器内冷凝; 用于在管板上铺展阻聚剂的喷雾剂; 第一聚合抑制剂供应管，用于向喷雾器供应阻聚剂; 以及用于将喷雾支撑在预定位置的支撑件。 支撑体支持冷凝器外的第一个阻聚剂供应管。 冷凝器通过防止容易聚合的化合物在容易聚合的化合物的蒸气以其简单的结构供入的冷凝器中聚合而长期稳定的连续操作。

    Method for vapor phase catalytic oxidation
    3.
    发明授权
    Method for vapor phase catalytic oxidation 有权
    汽相催化氧化法

    公开(公告)号：US07667072B2

    公开(公告)日：2010-02-23

    申请号：US12081916

    申请日：2008-04-23

    Applicant: Shuhei Yada ,  Hirochika Hosaka ,  Teruo Saito ,  Yoshiro Suzuki

    Inventor： Shuhei Yada ,  Hirochika Hosaka ,  Teruo Saito ,  Yoshiro Suzuki

    IPC: C07C51/16

    CPC classification number: B01J8/003 ,  B01J8/0085 ,  B01J8/067 ,  B01J23/002 ,  B01J23/28 ,  B01J23/31 ,  B01J23/8876 ,  B01J35/026 ,  B01J2208/00212 ,  B01J2208/00221 ,  B01J2208/00513 ,  B01J2208/00539 ,  B01J2208/00663 ,  B01J2208/00752 ,  B01J2523/00 ,  C07C45/33 ,  C07C45/35 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04 ,  B01J2523/12 ,  B01J2523/13 ,  B01J2523/305 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

    Abstract: An object of the present invention is to provide a method for vapor phase catalytic oxidation which is almost free of variations in reaction states in respective reaction tubes of the fixed bed multi-tube heat-exchanger type reactor.Provided is a method for vapor phase catalytic oxidation for obtaining a reaction product gas by using a fixed bed multi-tube heat-exchanger type reactor provided with a plurality of reaction tubes and by feeding a raw material gas inside the reaction tubes packed with a catalyst, wherein the method comprises:adjusting pressure losses of the respective reaction tubes so that the pressure losses of the respective reaction tubes after catalyst packing is within ±20% of an average pressure loss of the reaction tubes by: packing an inert substance at a raw material gas inlet portion of the reaction tubes or removing and re-packing the catalyst packed, for a reaction tube having a pressure loss lower than the average pressure loss of the reaction tubes; and removing and re-packing the catalyst packed, for a reaction tube having a pressure loss higher than the average pressure loss of the reaction tubes.

    Abstract translation: 本发明的目的是提供一种气相催化氧化方法，其几乎不含固定床多管式热交换器型反应器各反应管中的反应状态的变化。 本发明提供一种气相催化氧化法，其特征在于，使用具有多个反应管的固定床多管式热交换型反应器，在反应管内填充有催化剂的原料气体 其中所述方法包括：调节各反应管的压力损失，使得在催化剂填充之后各反应管的压力损失在反应管的平均压力损失的±20％内，通过以下方式包装惰性物质： 反应管的原料气体入口部分或者拆卸并重新填充催化剂，对于压力损失低于反应管的平均压力损失的反应管; 并且对于具有高于反应管的平均压力损失的压力损失的反应管，除去并重新填充催化剂。

    Vessel for easily polymerizable compound
    4.
    发明授权
    Vessel for easily polymerizable compound 有权
    容易聚合的化合物的容器

    公开(公告)号：US07476299B2

    公开(公告)日：2009-01-13

    申请号：US11399470

    申请日：2006-04-07

    Applicant: Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kenji Takasaki

    Inventor： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kenji Takasaki

    IPC: B01D1/30 ,  B01D3/14 ,  B01D3/32 ,  B01J19/00

    CPC classification number: B01D3/14 ,  B01D3/322 ,  Y10S159/02 ,  Y10S159/901 ,  Y10S203/22 ,  Y10S203/90

    Abstract: A decomposition reaction apparatus or distillation apparatus for acrylic acid in which a column bottom liquid heated in a reboiler (5) is supplied from a supply port (1a) provided on a side wall of a column body (1) having: a top plate (12a) above the supply port (1a); and an impingement plate (12b) provided vertically to the top plate (12a), for preventing scattering of the column bottom liquid to a supply direction. The top plate (12a) is provided such that the top face of the top plate (12a) is inclined downward from a base end to a tip end. The present invention allows: suppression of formation of a polymerized product due to flowing of a liquid or gas heated in a reboiler into a column with a simple structure; and a stable continuous operation of column equipment over a long period of time.

    Abstract translation: 一种用于丙烯酸的分解反应装置或蒸馏装置，其中在再沸器（5）中加热的塔底液体从设置在具有顶板的塔体（1）的侧壁上的供应口（1a）供应 12a）在供应口（1a）上方; 以及垂直于顶板（12a）设置的冲击板（12b），用于防止塔底液体向供给方向的散射。 顶板（12a）设置成使得顶板（12a）的顶面从基端向尖端向下倾斜。 本发明允许：抑制由于在再沸器中加热的液体或气体流入具有简单结构的塔中的聚合产物的形成; 并长期稳定地连续运行立柱设备。

    METHOD FOR PURIFYING (METH)ACRYLIC ACID
    5.
    发明申请
    METHOD FOR PURIFYING (METH)ACRYLIC ACID 审中-公开
    纯化（甲基）丙烯酸的方法

    公开(公告)号：US20080245652A1

    公开(公告)日：2008-10-09

    申请号：US12014186

    申请日：2008-01-15

    Applicant: Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kenji Takasaki

    Inventor： Shuhei Yada ,  Yasushi Ogawa ,  Yoshiro Suzuki ,  Kenji Takasaki

    IPC: B01D3/34

    CPC classification number: B01D3/146 ,  B01D1/225 ,  C07C51/44 ,  C07C57/04

    Abstract: A method for purifying a crude (meth)acrylic acid obtained by a vapor phase catalytic oxidation method, characterized in that the crude (meth)acrylic acid having most parts of water and acetic acid removed therefrom, is fed to and distilled in a first distillation column of a purification system comprising first to third three distillation columns, the top fraction from the first distillation column is fed to and distilled in the second distillation column, the resulting top fraction is recovered as a high purity (meth)acrylic acid product, the bottoms from the first and second distillation columns are fed to and distilled in the third distillation column, and the resulting top fraction is fed to the first distillation column.

    Abstract translation: 一种纯化通过气相催化氧化法得到的粗（甲基）丙烯酸的方法，其特征在于，将从其中除去大部分水和乙酸的粗制（甲基）丙烯酸加入到第一次蒸馏中并蒸馏 包括第一至第三三个蒸馏塔的纯化系统柱，将来自第一蒸馏塔的顶部馏分进料至第二蒸馏塔并在第二蒸馏塔中蒸馏，所得顶馏分作为高纯度（甲基）丙烯酸产物回收， 将第一蒸馏塔和第二蒸馏塔的塔底物进料至第三蒸馏塔并在第三蒸馏塔中蒸馏，并将所得顶馏分进料至第一蒸馏塔。

    Process for Producing (Meth)Acrylic Acid or (Meth)Acrolein
    7.
    发明申请
    Process for Producing (Meth)Acrylic Acid or (Meth)Acrolein 审中-公开
    生产（甲基）丙烯酸或（甲基）丙烯醛的方法

    公开(公告)号：US20080021239A1

    公开(公告)日：2008-01-24

    申请号：US11596366

    申请日：2004-11-05

    Applicant: Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki

    Inventor： Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki

    IPC: C07C45/33

    CPC classification number: C07C45/35 ,  C07C45/33 ,  C07C51/215 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04

    Abstract: The object of the invention is to provide a method for producing (meth)acrylic acid or (meth)acrolein from at least one of propylene, propane, isobutylene and (meth)acrolein as a raw material by carrying out its gas phase catalytic oxidation reaction with molecular oxygen or a molecular oxygen-containing gas using a multi-tubular reactor, which is a method that can be operated more safely by feeding a gas prepared in advance by mixing the raw material with molecular oxygen or a molecular oxygen-containing gas safely into the reactor by controlling generation and propagation of fire. The invention is a method for producing (meth)acrylic acid or (meth)acrolein, characterized in that a mixed gas formed by mixing the aforementioned raw material with the aforementioned molecular oxygen or a molecular oxygen-containing gas is fed into the aforementioned reactor via a piping equipped with a flame arrester.

    Abstract translation: 本发明的目的是提供一种通过进行气相催化氧化反应从丙烯，丙烷，异丁烯和（甲基）丙烯醛中的至少一种作为原料生产（甲基）丙烯酸或（甲基） 使用多管式反应器的分子氧或含分子氧气体，其是通过将原料与分子氧或含分子氧的气体混合而预先制备的气体可以更安全地操作的方法 通过控制火的产生和传播进入反应堆。 本发明是一种生产（甲基）丙烯酸或（甲基）丙烯醛的方法，其特征在于将上述原料与上述分子氧或含分子氧气混合形成的混合气体通过 配有防火器的管道。

    Process For Producing Acrolein And/Or Acrylic Acid
    9.
    发明申请
    Process For Producing Acrolein And/Or Acrylic Acid 审中-公开
    生产丙烯醛和/或丙烯酸的方法

    公开(公告)号：US20070213567A1

    公开(公告)日：2007-09-13

    申请号：US11547864

    申请日：2004-10-13

    Applicant: Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki

    Inventor： Yasushi Ogawa ,  Shuhei Yada ,  Yoshiro Suzuki ,  Kenji Takasaki

    IPC: C07C45/00

    CPC classification number: C07C51/215 ,  C07C45/33 ,  C07C45/35 ,  C07C51/252 ,  C07C47/22 ,  C07C57/04

    Abstract: An object of the present invention is to provide a method of producing acrolein and/or acrylic acid, with which method even when air that contains a lot of floating particles is used as an oxygen source, without suffering from deterioration of catalyst performance owing to coking and so on of the catalyst and inconveniences such as an increase in the pressure difference and clogging of a reaction tube, with a high yield and stably over a long time, acrolein and/or acrylic acid can be produced. The present invention relates to a method of producing acrolein and/or acrylic acid by subjecting propylene or propane to a gas phase oxidation with an oxygen-containing gas under the presence of an oxidation catalyst, wherein as an oxygen source air from which the floating particles are removed is used.

    Abstract translation: 本发明的目的是提供一种制备丙烯醛和/或丙烯酸的方法，即使使用含有大量漂浮颗粒的空气作为氧源，也不会由于焦化而遭受催化剂性能的劣化 可以生产出催化剂和诸如压力差增加和反应管堵塞的问题，以高产率和长时间稳定地产生丙烯醛和/或丙烯酸的不便之处。 本发明涉及通过在氧化催化剂存在下，用含氧气体对丙烯或丙烷进行气相氧化制备丙烯醛和/或丙烯酸的方法，其中作为氧源空气，浮选颗粒 被删除被使用。

    Process for producing (meth)acrylic acid
    10.
    发明授权
    Process for producing (meth)acrylic acid 有权
    （甲基）丙烯酸的制造方法

    公开(公告)号：US07189872B2

    公开(公告)日：2007-03-13

    申请号：US10864498

    申请日：2004-06-10

    Applicant: Shuhei Yada ,  Kiyoshi Takahashi ,  Kenji Takasaki ,  Yasushi Ogawa ,  Kimikatsu Jinno ,  Yoshiro Suzuki

    Inventor： Shuhei Yada ,  Kiyoshi Takahashi ,  Kenji Takasaki ,  Yasushi Ogawa ,  Kimikatsu Jinno ,  Yoshiro Suzuki

    IPC: C07C51/16 ,  C07C51/42

    CPC classification number: B01D3/146 ,  C07C51/44 ,  C07C57/04

    Abstract: Clogging of a distillation column by polymerization caused by a change of the production rate of (meth)acrylic acid, is prevented to carry out a stabilized operation over a long period. A process for producing (meth)acrylic acid, which includes a purification step wherein a (meth)acrylic acid-containing material to be purified is supplied to and distilled by a distillation column, wherein during a cut operation in which the production rate of (meth)acrylic acid is reduced by α% relative to the production rate of (meth)acrylic acid during the ordinary operation, the liquid/gas flow rate in the distillation column is adjusted to be at least (100−α/2)% of the liquid/gas flow rate during the ordinary operation.

    Abstract translation: 通过由（甲基）丙烯酸的生成速度的变化引起的聚合引起的蒸馏塔的堵塞被阻止长期进行稳定化的操作。 一种制备（甲基）丙烯酸的方法，其包括纯化步骤，其中将要纯化的（甲基）丙烯酸的物质供应到蒸馏塔并蒸馏，其中在其中生产速率（ 甲基）丙烯酸在常规操作中相对于（甲基）丙烯酸的生产速率降低α％，将蒸馏塔中的液/气流量调节至至少（100-α/ 2）％ 在普通操作期间的液/气流量。

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